CVE-2021-23370 affects the swiper package before version 6.5.1. This vulnerability has been classified as high severity, with a CVSS score of 7.5. The risk to organizations includes potential downtime or disruption of services due to high availability impact.
The vulnerability was published on April 12, 2021, and has been modified as of November 21, 2024. Organizations using affected versions of swiper must prioritize remediation to avoid exploitation.
Currently, there is no known public exploit for this vulnerability, but the potential for impact is significant due to the nature of the vulnerability itself. Organizations should assess their usage of swiper and apply the necessary updates as soon as possible.
Given the reported availability impact, organizations are urged to address this vulnerability in their patch cycle immediately.
The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating a network attack vector with low complexity and no required privileges or user interaction.
Organizations should monitor their systems for any signs of exploitation and ensure that they are using versions of swiper that are not affected by this vulnerability.
Vulnerability Details
This vulnerability allows for potential denial of service due to high availability impact. The affected product is the swiper package, with the vendor being swiperjs. The publication date of this vulnerability is April 12, 2021.
Technical Analysis
The root cause of this vulnerability is related to the package's handling of certain inputs, which could lead to conditions that affect availability. The attack vector is network-based, meaning an attacker could exploit this vulnerability remotely.
The attack complexity is low, as no special conditions or privileges are required to exploit the vulnerability. User interaction is also not required, which increases the risk.
The potential impacts on confidentiality and integrity are none, but the availability impact is high, which can lead to service disruptions for organizations using the vulnerable package.
Risk & Impact Analysis
The real-world risk of this vulnerability is significant for organizations that depend on the swiper package for their applications. The blast radius could extend to all users of affected versions, potentially leading to widespread service outages.
Given the CVSS score of 7.5, organizations should assess their own risk exposure and the urgency of applying patches based on their usage of swiper.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to vendor patch 6.5.1 of the swiper package are affected. Organizations need to ensure they update to the latest version to mitigate risk.
Mitigation & Remediation
Organizations should prioritize patching the swiper package to version 6.5.1 or later. For those unable to apply immediate patches, consider implementing network controls to limit exposure.
Configuration hardening is also recommended to reduce the risk of exploitation. Regularly monitor systems for any signs of unusual behavior and potential exploitation.
For further assistance, organizations can engage in penetration testing to validate their security posture.
Detection Guidance
Organizations should monitor logs for any unusual requests that may indicate attempts to exploit this vulnerability. Behavioral anomalies in application performance should also be investigated.
Network signatures may help identify potential exploit attempts, and system changes should be correlated with known attack patterns.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2021-23370 highlights the importance of securing third-party packages, as vulnerabilities can quickly lead to widespread issues if not addressed.
This vulnerability represents a pattern of prototype pollution vulnerabilities in JavaScript libraries that can be exploited for various malicious outcomes.
Security teams should prioritize regular updates and vulnerability assessments for all third-party dependencies to maintain a secure application environment.
For further reading on best practices, organizations can refer to the penetration testing methodology to strengthen their security frameworks.
Additionally, understanding how to manage security vulnerabilities can be explored through the vulnerability management program design guide.
Finally, organizations can learn more about the implications of vulnerabilities in applications with the web application penetration testing article.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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